Temporomandibular joint (TMJ) dysfunction is often believed to bea young person's malady. However, geriatric patients also present with clinical findings of TMJ clicking, locking, crepitation, limited opening, and pain. With our aging population and the high prevalence of rheumatic and musculoskeletal diseases in the elderly, it is important to understand the etiopathogenesis, clinical presentation, and management of derangement, rheumatoid arthritis, and osteoarthritis of the TMJ. Although arthritis of the TMJ usually causes only mild-to-moderate dysfunction in older patients, they present challenges related to medication use and comorbidity. This article presents the most recent understanding and therapeutic protocols for patient diagnosis and management.